{"id": 4741, "prediction_verbatim": "Bitcoin price falls below $80,000 within 48 hours", "created_at": "2026-05-09 17:41:32", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 17:59:11", "chain_hash": "bcd6778a59bd51ad67a09ae7e62e3b978fd8749dd7d740cc1ca1f5931149f3c6", "chain_tx": "39wZquoeBesJYngyXZWLnN4hixjLnwHoRd14i2FcQZ2tztNynnrjgg7De3CE6Hj42EM7gcGLPL5gdrJQtvPcF9gr", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}